Sam: "You can keep going."Dean: "Who says I want to?" We had scariness within and scariness without. I mean, really. What's scarier? A bunch of crazed, sulfur-infested townies, or a depressed Dean with a gun? Dean was all primed and ready to take out a guy who could have been completely harmless. And then Sam became infected, and it was a whole different story. Again, variations on a